Brown and Caldwell Home Page
Technical Papers RECENT PAPERS

Brown and Caldwell engineers and scientists are technical and thought leaders in the environmental sector. Meet the people who have been advancing innovation for more than 70 years.
Author      Title/Abstract      
An Appraisal of Stormwater Reclamation and Reuse in Hawaii
Alternative Levels of Process Modeling in Consulting - What is Best for our Clients?
Port of Milwaukee Onshore Ballast Water Treatment
Milwaukee’s Next Step: Watershed Restoration Plans
Dynamic Updating Program for Just In Time Design of Water Reclamation Facilities
Solids System Stress Testing and Process Optimization
Solving the City of Tacoma’s High Effluent TSS Problem: Unexpected Causes of Deflocculation
Alternative Secondary Clarifier Designs for Managing Wet Weather Flows: Evaluation of the Influence of Tank Depth Using Side By Side Testing and State-of-the-Art Modeling
Reducing the Mystery from Micronutrient Addition
The 2007 Sludge Thickening Adventure in Boulder, Colorado
Biosolids as Gels: A New Way of Looking at Conditioning and Dewatering
Water Recycling in Small Communities
Model Prediction of Completely Autotrophic Nitrogen Removal under Different Reactor Configurations
Is Your CMMS Helping Your Performance?
Nitrification in one week without external seeding – Startup of a new BNR plant
Dissolved Organic Nitrogen – Is It Significant,
From Pump Drawdown Testing to
Risk Based Approach to Selecting and Implementing an Integrated Customer Information and Asset Maintenance Management System
Integrating Beneficial Reuse
Biological Wet Weather Treatment: Biological Contact Process Provides Secondary Treatment for Wet Weather Flows
The Johns Creek Environmental Campus - Most Aesthetically Pleasing 15-MGD MBR in North America
Lessons Learned from the Design and Operations of Medium Sized Membrane Bioreactor Systems
Large Membrane Bioreactors of Georgia: A Guide and Comparison
Oxygen Transfer in a Full-Depth Biological Aerated Filter
Biological Wet Weather Treatment
The Importance of Structural and Gel Fractions in Determining Shear Sensitivity of Sludge.
Greenfield Water Reclamation Plant Solids Facility; Form Meets Function for a Technological Success
A Comparison of the Carbon Footprint of Aerobic and Anaerobic Digestion
A Preliminary Investigation into the Impact of Centrifugal Forces and Cake Properties on Methanogenesis from Dewatered Sludge Cake
Drying Sawdust to Recover Enclosed-Vessel Compost System Capacity
Modified Anaerobic Digestion Test Produces Reliable Results with Decreased Experimental Complexity
New Rheological Method to Evaluate the Dewaterability of Biosolids
Anaerobic Phased Solids Digestion of Mixed Wastes
Realizing the Full Potential of Existing Secondary Clarifiers to Increase Sustained Peak Wet Weather Capacity
Achieving Limits of Technology (LOT) Effluent Nitrogen and Phosphorus Removal at the River Oaks Two-Stage Advanced Wastewater Treatment Plant
Full-Scale Operation of Large Biological Nutrient Removal Facilities to Meet Limits of Technology Effluent Requirements - The Florida Experience
Beneficial Use of Dairy, Fountain, and Fruit Beverage Wastes in POTWs
Decentralized Treatment and Distributed Reuse in Rural C ommunities
Effective Sewer Grease Control Products: Myth or Reality?
JEAs Path Out of Biosolids Purgatory Through Anerobic Digestion and Drying Enhancements
Operational Keys to Nitrite Lock
Utilizing Asset Management Techniques and Tools in Developing and Tracking Decisions
The Impact of Floc Metals on Conventional and Enhanced Mesophilic Anerobic Digestion Technologies
Review of Methods for Improving Nitrification Through Bioaugmentation
A Unique Approach to Sulfide Modeling for Low Flows
Extreme Siphon Odors Controlled with Multistage Biological System
Green Apples, Oranges, and Bananas - Comparison and Pre-Selection of Digester Gas-Driven Advanced Cogeneration Systems for the CBFT3 Process
Evaluating Applicable Treatment Technologies for an Integrated and Sustainable Food Processing Facility
Addressing Digester Foaming by Fixing Activated Sludge System and Gaining Capacity in Both
A Preventive Maintenance Program Lifts the Veil on Asset Management
Risk-Based Model/Decision Support Tool for Wastewater Asset Refurbishment and Replacement (R&R) Planning
Finding Your Way Off the 303(D) List - A Success Story on the Harding Drain
Pilot Testing and Design of an Innovative Biosolids Dewatering Process for Facilities in North Carolina and Georgia
Generating Low Nitrogen Class A Reclaimed Water Achieved by Coupling Satellite MBRs with a BNR Activated Sludge System
Experiences Diagnosing a Poorly Performing Bioscrubber and DevelopingSolutions
Beyond Risk - A community Return on Investment Approach to Pipe Rehabilitation
Process Proving for Phosphorus Removal with Air Mixed Anaerobic Selectors at Two Large Plants
Operations and Maintenance Requirement of Vortex with Disinfection and Screening with Disinfection CS
Minimizing Arsenic Leaching from Water Treatment Process Residuals
Reuse of Treated Effluent Augments the San Pedro River in Sierra Vista, AZ
Minimizing Arsenic Leaching from Water Treatment Process Residuals
Reuse of Treated Effluent Augments the San Pedro River in Sierra Vista, AZ
Integrated Site Selection Process to Sustain LOTT's Groundwater Recharge Program
Miami-Dade Water and Sewer Department Disinfection Demonstration
Language Counts: Developing a Communications Plan to Talk About Reuse
Between a Tree and a Hard Place: Public Involvement in Sewer System Planning
Update on a Nationwide I/I Reduction Project Database
Sustainable I/I Reduction: Planning Level Cost Estimation Using a Performance-Based Cost Function
70 Percent I/I Reduction - Sweet Home, OR
Underwater Sewer Replacement Options - No Easy Answers In, Under, or Around Lake Oswego, OR
Arizona's Largest Condition Assessment
Security in our Nation's Capital - The DC WASA Perspective
Now with Grease-Cutting Action!
No Chemicals Required
Keys to Better Nitrification...incomplete reactions can lead to nitrite lock.
Review of Methods for Improving Nitrification through Bioaugmentation
Sustainability, One
Sizing Denitrification Filters
Process Proving for Phosphorus Removal with Air Mixed Anaerobic Selectors at Two Large Plants
Saving the Chesapeake Bay -- Planning for Less Than 3 mg/l Total N and 0.1 mg/l Total P -- the Lynchburg Regional WWTP Story
Improving Nitrification through Bioaugmentation
Approaching the Limits of Technology: Atlanta's Utoy Creek WRC Delivers Award-Winning Nutrient Removal
A Rational Approach to Size Denitrification Filters to Meet TMDL Requirements
GETTING MORE OUT OF SECONDARY CLARIFIERS FOR WET WEATHER FLOW MANAGEMENT USING STATE OF THE ART TOOLS.
New Process Design Procedure for Dealing with Variable Trickling Filter Effluent Suspended Solids
Effects of Sludge Properties on the Thickening and Dewatering of Waste Activated Sludge
Clarifying CFD Modeling's Benefits
Maximizing Methane
Sludge Quality: The Key to Secondary Clarifier Performance
Secondary Clarifiers: The Mechanisms Behind the Myths
Impact of Structural Characteristics on Activated Sludge Floc Stability (comments on doc.)
Maximising the Performancae of Flotation Tickeners.
So, You Decided to Build an MBR? Tips to help optimize process performance.
Innovative Asset Management Approach to Prioritize Capital Improvement Projects - Poster
The Role of Glutathione Mediated Oxidative Stress Response Mechanisms in Nitrifying Bacteria.
Integrated Planning for Wastewater Treatment and Reycling for a Small Community Development.
Tunneling Under Austin Protecting the Environment, and Preserving the Peace.
Advances in Thermophilic Anaerobic Digestion.
Mazimizing Energy Recovery Through Distester Gas Management System Enhancement.
Columbus, Georgia's High-Efficiency, Low Cost, Digester-Gas-Fired Power Plant.